Re: [Qemu-devel] [PATCH] i440fx: use ARRAY_SIZE for pam_regions

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 11/10/2018 14:14, Li Qiang wrote:
> Cc: qemu-trivial@nongnu.org 
> 
> Signed-off-by: Li Qiang <liq3ea@gmail.com>

Good cleanup!

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>  hw/pci-host/piix.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
> index 0e608347c1..230d5d2ea3 100644
> --- a/hw/pci-host/piix.c
> +++ b/hw/pci-host/piix.c
> @@ -142,7 +142,7 @@ static void i440fx_update_memory_mappings(PCII440FXState *d)
>      PCIDevice *pd = PCI_DEVICE(d);
>  
>      memory_region_transaction_begin();
> -    for (i = 0; i < 13; i++) {
> +    for (i = 0; i < ARRAY_SIZE(d->pam_regions); i++) {
>          pam_update(&d->pam_regions[i], i,
>                     pd->config[I440FX_PAM + (DIV_ROUND_UP(i, 2))]);
>      }
> @@ -401,7 +401,7 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>  
>      init_pam(dev, f->ram_memory, f->system_memory, f->pci_address_space,
>               &f->pam_regions[0], PAM_BIOS_BASE, PAM_BIOS_SIZE);
> -    for (i = 0; i < 12; ++i) {
> +    for (i = 0; i < ARRAY_SIZE(f->pam_regions) - 1; ++i) {
>          init_pam(dev, f->ram_memory, f->system_memory, f->pci_address_space,
>                   &f->pam_regions[i+1], PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE,
>                   PAM_EXPAN_SIZE);
>